//package DAYyy;
//
//public class Teacher extends Person {
//    double salary;
//    Teacher(String name, int age, String address , double salary){
//        super(name,age,address);
//        this.salary=salary;
//    }
//    void sb(){
//        System.out.println(name+"在讲课"+salary+"他的工资");
//    }
//    void sayHi(){
//        System.out.println("大家好，我叫"+name+"今年"+age+"岁了,家住在"+address+"工资"+salary+"元");
//    }
//
//}
